*The dates for the 2025 event will be posted as soon as they are confirmed.
Information on seminars on practical cleaning of compact johkasou
Mikihiro Mukai (Public Interest Incorporated Foundation Kodokan)
Japan Education Center of Environmental Sanitation
130-0024
２-23-３ Kikukawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),
